Basic Mobile application Objective Type Questions & Answers

121 Creating a UI (User Interface. in Android requires careful use of…

nchar()

[A] Java and SQL

[B] XML and Java

[C] XML and C++

[D] Dreamweaver

Answer: XML and Java

122 What will services be used for in the Yamba project?

Sys.Date()

[A] Recompile the source code

[B] It will update tweets periodically in the background

[C] The services will pause the app

[D] Configures the user interface

Answer: It will update tweets periodically in the background

123 Which answer is not part of the design philosophy talked about in chapter five?

Sys.time()

[A] Always whole and complete

[B] Small increments

[C] Lagre increments

[D] Refactoring code

Answer: Lagre increments

124 The android OS comes with many useful system services, which include processes you can easily ask for things such as your..

[A] All of these and more.

[B] Location

[C] Sensor Readings

[D] WiFi? Hot Spots

Answer: All of these and more.

125 An Android application is a loose collection of content providers, activities, broadcast receivers, and services.

[A] True

[B] False

Answer: True

126 Which of the following is NOT an activity we will be creating for the YAMBA project?

[A] Preferences Activity

[B] Update Activity

[C] Timeline Activity

[D] Status Activity

Answer: Update Activity

127 Status data will be exposed to the rest of the Android system via:

[A] Intents

[B] A content provider

[C] Network receivers

[D] Altering permissions

Answer: A content provider

128 If the UI begins to behave sluggishly or crash while making network calls, this is likely due to…

[A] Network latency

[B] Hardware malfunctions

[C] Virus on the Server

[D] Activity manager contains too much

Answer: Network latency

129 How does Gargenta approach the problem of the app acting sluggishly due to network latency?

[A] Starting over

[B] Switching API levels

[C] Refactoring code

[D] Multithreading

Answer: Multithreading

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